Water-gage.



H. G. BURNS.

WATER GAGE.

APPLICATION FILED MAB-.13, 1909.

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' the uninjured gage UNITED STATES HENRY C. BURNS, 0F MARSHALL,MICHIGAN.

WATER-GAGE.

To all whom it may concern:

Be it known that I, I'IENRY C. BURNS, a citizen of the United States,residingat Marshall, in the county of Calhoun and State of Michigan,have invented certain new and useful Improvements in Waterrages, ofwhich the following is a specification.

The present invention relates to certain new and usefulimprovements 1nthe construction of water gages such as are commonly employed inconnection with steam boilers, and the object of the invention 1s theprovision of a gage of this character formed with a tubes and embodyinga novel valve mechanism whereby as soon as either of the gage tubes isbroken the supply of steam and water is automatically shut offtherefrom, tube serving to indicate the level of the water within theboiler while the broken gage tube is being replaced.

The invention further contemplates a water gage which canbe readilyapplied to an ordinary steam boiler, which is inexpensive in itsconstruction, and which is positive and reliable in its operation. v

Fora full understanding of the invention and the merits thereof and alsoto acquire a knowledge of the details of construction and the means foreffecting the result, reference is to be had to the followingdescription and accompanying drawings, in which;

Figure 1 is a perspective view of a water gage constructed in accordancewith the invention; Fig. 2 is a vertical sectional view through thesame; Fig. 3 is an enlarged horizontal sectional view on the line 33 ofFig. 2, portions being broken away; Fig. 4 is an enlarged detachedperspective view of a pair of the check valves and the stem connectingthe same; Fig. 5 is a transverse sectional View through the stemconnecting-the check valves.

Corresponding. and like parts are referred to in the followin in all theviews 0 description and indicated reference characters.

Specifically describing the present embodiment of the invention, thenumeral 1 designates a pipe one end of which is secured to the boilerand communicates with the interior thereof, while the opposite end ofthe pipe is provided .with a T-cou'pli'ng 2 towhich is connected anupwardly extending pipe 3 and a downwardly extending Specification ofLetters Patent. Application' filed March 13, 1909. Serial No.

pair of independent gage;

the drawings by the same Patented Jan. 11, 1910. 483,207.

pipes terminating in the elbows or 2-way connections 5. Threaded inthese elbows 5 are thelaterally extending arms 6 which are arranged oneabove the 0 other and are formed attheir. outer ends with the downwardlyextending. heads 7. Each of these heads is formed with a longitudinalbore 7 a communicating at its upper end with the interior of thecorresponding 5 lateral arm 6, and also with the transversely disposedbore 6* which intersects the longitudinal bore, the ends of thetransverse bore being surrounded by the exteriorly threaded osses. A-valve seat 9 is formed in each of the lateral arms 6 at an intermediatepoint in the length thereof, and valves 10 are provided for cooperationwith these valve seats to shut off the flow of steam and waterthrouglTTa the arms. These valves 10 are formed in connection with valvestems 11 which are threaded in packing boxes 12 applied to the ends ofthe lateral arms 6. The usual handle 13 is applied to the extremity ofeach of the valve stems 11 and constitutes a meansfor manually closingthe valves 10 to shut off all communication between the heads 7 and theboiler should the latter be found desirable.

Threaded upon each of the bosses 8 is a branch 14 which is'provided atits outer end with a laterally projecting arm 14" and also with a petcock or blow off valve 15. The branches 14 upon the heads 7 project incor- 9 0 responding directions and the ends of the correspondingbranches are connected by the glass gage tubes 16, the extremities ofthe said gage tubes being received within packing nuts 17 which arethreaded upon the arms 14. Both of the gage tubes 16 are normally incommunication with the boiler so as to indicate the level of the watertherein, and any scale or sediment which may at any time accumulatewithin the branches 14 can be readily withdrawn by tem orarilyopeningthe blow off valves 15. Eac of the branches 14 is formed. at anintermediate point in the length thereof with a valve seat 18 and acheck valve 19 is provided operation with each of the valve seats. Thetwo check valves of each ofthe heads 7 are pipe 4, the said connected bya valve stem 20 so as to move In unison, and these valve stems passthroughthe transversely disposed bores 7 110 of the head and areprovided with the longitudinally disposed vanes-20. The lower end for00- a longitudinal axis. This rotation of the check valves tends toprevent the accumulation of scale thereon and also prevents them fromsticking upon their seats.

In the operation of the device should either of the gage tubes 16 bebroken the water and steam escaping will tend to close the correspondingcheck valves 19 and to shut off communication between the brokengagetube and the boiler. The uninjured gage tube will then serve toindicate the level of the water within the boiler while the broken gagetube is being replaced by a new tube.

Having thus described theinvention, what is claimed as new is:

1. In a water gage for steam boilers and the like, the combination of apair of heads in communication with the boiler, a blow off valve foreach. of the heads, corresponding branches projecting from the heads,gage tubes fitted between the corresponding branchesor' the heads, acheck valve arranged within each of the branches for shutting oiicommunication between the heads and either of the gage tubes should thesaid gage tube become broken, and a stem connecting the check valves ofthe branches projecting from each of the heads, the said stem beingconstructed to cause a rotary movement of the check valves about theiraxes when the blow off valve is open. A

2. In a water gage for steam boilers and the like, the combination of apair of heads in communication with the boiler, a blow oif valve foreach of the heads, corresponding branches projecting from the heads andformed with valve seats, gage tubes between the corresponding branchesof the heads, check valves adapted to cooperate with the valve seats ofthe branches to shut off communication between the heads and the gage e.tubes should either of the gage tubes broken,

the said and a valve stem connecting the check valves of the branches ofeach of the heads, the said valve stems extending through the heads andbeing formed with longitudinal vanes which are adapted to be acted uponby the escaping steam and water when the blow off valve is open to causea rotary movement of the'check valves.

3. In a water gage for steam boilers and the like, the combination of apair of heads in communication with the boiler, a blow off valve foreach of the heads, corresponding branches projecting from the heads, agage tube fitted between the branches, a check.

valve within each of the branches, the said check valves'operatingautomatically to cut off communication between the heads and the gagetube should the gage tube be broken, and means for causing the checkvalves to be rotated about their axes when the blow of? valves are open.

4. In a water gage for steam boilers and the like, the combination of apair of heads, pipes leading to the heads and in communication with theboiler, a manually controlledvalve for each of the pipes, a blow offvalve for each of the heads, corresponding branches projecting from theheads and formed with valve seats, blow oii valves for the branches,

ranged within each of the branches for co 'operation with the valve seatthereof, the

said check valves operating automatically to shut oii communicationbetween the heads and either of the gage tubes should either of the gagetubes be broken, and a stem connecting the check valves in the branchesprojecting from each of the heads to cause check valves to operate inunison, the said stem passing through the head and being formed withvanes adapted to be acted upon by the escaping steam and water when theblow off valve in the head is opened to rotate the check valves abouttheir longitudinal axes.

In testimony whereof I aflix my signature in presence of two witnesses.

HENRY o. BURNS. [Ls] Witnesses:

WM. A. LANE, L. S. PAGE.

gage tubes fitted between the corresponding branches, a check valve ar-

